The nurse is reviewing her hospitalized client's medications and sees that he is on both a cephalosporin and an aminoglycoside. The nurse knows that this combination of antibiotics increases the client's risk for:

Seizures.

nephrotoxicity.

hearing loss.

Hepatotoxicity.

Answer and Explanation

The Correct Answer is B

A. Seizures: Some antibiotics, especially cephalosporins, can lower the seizure threshold, increasing the risk of seizures, especially in individuals prone to seizures or those with a history of epilepsy.

B. Nephrotoxicity: Both cephalosporins and aminoglycosides have the potential to harm the kidneys. When used together, their nephrotoxic effects can be additive, increasing the risk of kidney problems in patients.

C. Hearing Loss: Aminoglycosides, a class of antibiotics that includes drugs like gentamicin, are well-known for their potential to cause hearing loss, especially when used in high doses or for prolonged periods. This effect is due to their toxic impact on the hair cells in the inner ear.

D. Hepatotoxicity: Hepatotoxicity refers to liver damage caused by medications. Some antibiotics, including certain cephalosporins, can have hepatotoxic effects, potentially harming the liver. Monitoring liver function is important when these drugs are used.

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Correct Answer is C

Explanation

A. Gentamicin: Gentamicin is an aminoglycoside antibiotic effective against many bacteria, but it's not the first choice for MRSA. Vancomycin or other alternatives are preferred due to the rising resistance of MRSA to gentamicin.

B. Nafcillin: Nafcillin is a penicillin antibiotic, often used for penicillin-sensitive staphylococcal infections. However, it is not effective against MRSA, which is resistant to many penicillin-based antibiotics.

C. Vancomycin: Vancomycin is a glycopeptide antibiotic used to treat a variety of bacterial infections, including MRSA. It works by inhibiting cell wall synthesis in bacteria, making it effective against Gram-positive bacteria that have developed resistance to other antibiotics like methicillin (which MRSA has).

D. Penicillin: Penicillin is a group of antibiotics that includes drugs like amoxicillin and ampicillin. MRSA is resistant to penicillin-based antibiotics, so they are not effective against MRSA infections.

A. "The antibiotic I have been taking doesn't work as well as it used to." B. "The bacteria in my body have become resilient." C. "Over time, an organism that had once been highly sensitive to an antibiotic may become less susceptible, or it may lose drug sensitivity entirely." D. "My body has become resistant to the antibiotic."

Correct Answer is D

Explanation

A. "The antibiotic I have been taking doesn't work as well as it used to."
This statement shows awareness of decreased effectiveness, which can occur due to drug resistance. Bacteria can become resistant to antibiotics, leading to reduced efficacy of the medication over time.

B. "The bacteria in my body have become resilient."
This statement correctly attributes resistance to the bacteria. Resilience in this context means that bacteria have developed mechanisms to survive the effects of antibiotics, making the treatment less effective.

C. "Over time, an organism that had once been highly sensitive to an antibiotic may become less susceptible, or it may lose drug sensitivity entirely."
This statement accurately describes the concept of drug resistance. Bacteria can lose sensitivity to antibiotics, rendering the drugs ineffective against them.

D. "My body has become resistant to the antibiotic."
This statement is incorrect. It's the bacteria that develop resistance, not the patient's body. Patients don't become resistant to antibiotics; instead, bacteria evolve and adapt, making the drugs less effective against them.

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The nurse is reviewing her hospitalized client's medications and sees that he is on both a cephalosporin and an aminoglycoside. The nurse knows that this combination of antibiotics increases the client's risk for:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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